The combined armies of the North are listed here.
Perceval of Bamburgh (formerly Uthreding) Richard Perceval, Earl of Northumbria
+3 Charisma (+2 base, +1 from temperament)
+2 Personal Combat
+2 Battles
20 Norman Knights (retinue)
50 Norman Serjeants (retinue)
62 Huscarls
73 Thegns
100 Fyrdmen
101 English Footmen
124 English Archers
81 Hobelars
Total: 720 men
Perceval of Nottingham William Perceval, Earl of Nottingham
+3 Battles (+2 base, +1 temperament)
+2 Personal Combat
+2 Charisma
141 Norman Knights (25 retinue, 45 from buildings)
203 Norman Serjeants (75 retinue, 45 from buildings)
241 Fyrdmen (90 from buildings)
186 English Footmen (45 from buildings)
204 English Archers (45 from buildings)
112 Hobelars
Total: 1,190 men
Gerbod's host 76 knights
94 serjeants
139 fyrdmen
167 footmen
190 archers
102 hobilars
Retinue:
15 knights
75 serjeants
Total: 936 men
Commanders: Gerbod de Oosterzele
Clais de Yshoute
Siwarding Host Waltheof (+2 Battles, +3 Survival)
Hereward
144 Huscarls
212 Thegns
200 Fyrdmen
147 English Footmen
160 English Archers
119 Hobelars
Avranches army Host
66 KN
99 SGT
132 FYRD
132 FT
132 AR
99 HOB
660 Men
Retinue
25 KN
75 SGT
100 Men
Total:760 Men
Gerald d'Avranches
Skills:
+2 battles
+1 personal combat
+1 Survival
+2 wealth
+1 Charisma
-1 to rout/assassination/escape rolls.
Army of de Tosny Raoul II de Tosny, Siegneur de Scarborough - +2 Survival, +1 Duels, +3 Battle
Robert de Tosny, Siegneur de Bedale - +3 Duels, +2 Survival, +1 Battles
50 Knights
150 Serjeants
105 Knights
142 Serjeants
223 Fyrdmen
109 Hobelars
199 English Archers
199 English Footmen
Odo's army Odo of Champagne, Earl of Lincoln (NPC: +2 Duels, +1 Charisma, +1 Wealth, +2 Survival)
69 K (25 retinue)141 S (75 retinue)
88 F
88 EF
88 A
66 H
540 men
Baldwin de Clare's contingent Baldwin:
Traits (6):
Battles +3
Survival +2
Wealth +1
Personal Forces
25 Knights
75 Serjeants
Royal Army
50 Frankish Knights
50 English Housecarls
100 Flemish Spearmen
100 Welsh Longbows
Total strength: 6,343 men